Module: Isochrones Variable Speed
- interactive execution -
Menu: Terrain Analysis > Hydrology
Description
(c) 2004 by Victor Olaya. Cálculo del tiempo de salida con velocidad variable.
References:
1. Al-Smadi, Mohammad: Incorporating spatial and temporal variation of watershed response in a gis-based hydrologic model. Faculty of the Virginia PolythecnicInsitute and State University. MsC Thesis. 1998
Available at scholar.lib.vt.edu/theses/available/ etd-121698-112858/unrestricted/smadi.pdf2. Martínez Álvarez, V.; Dal-Ré Tenreiro, R.; García García, A. I.; Ayuga Téllez, F. Modelación distribuida de la escorrentía superficial en pequeñas cuencas mediante SIG. Evaluación experimental.
3. Olaya, V. Hidrologia computacional y modelos digitales del terreno. Alqua. 536 pp. 2004
Parameters
NameTypeIdentifierDescriptionConstraints
Input
Elevation Grid (input)DEM
Slope Grid (input)SLOPE
Catchment Area Grid (input)FLOWACC
Curve Number (*)Grid (optional input)CN
Manning's N (*)Grid (optional input)MANNING
Output
Time Out(h)Grid (output)TIME
Speed (m/s)Grid (output)SPEED
Options
Avg. Manning's NFloating pointAVGMANNING
Avg. Curve NumberFloating pointAVGCN
Mixed Flow Threshold (ha)Floating pointTHRSMIXED
Channel Definition Threshold (ha)Floating pointTHRSCHANNEL
Avg. Rainfall Intensity (mm/h)Floating pointAVGRAINFALL
Channel side slope(m/m)Floating pointCHANSLOPE
Min. Flow Speed (m/s)Floating pointMINSPEED
(*) optional